新增wiki命令文件
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wiki/concepts/逻辑备份.md
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wiki/concepts/逻辑备份.md
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title: "逻辑备份"
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type: concept
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tags: [backup, database, postgres]
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sources: [minio-zipline-zi-cheng-guan-tu-chuang-ying-yong-an-zhuang-jiao-cheng.md]
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last_updated: 2026-04-14
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---
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## Definition
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逻辑备份是通过数据库工具导出数据为SQL语句或纯文本格式,区别于直接复制数据文件的物理备份。
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## Key Attributes
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- 工具:pg_dump(PostgreSQL)
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- 格式:SQL文件或压缩格式
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- 优点:跨版本兼容,迁移能力强
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## Related Entities
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- [[Zipline]]:其PostgreSQL数据库需要逻辑备份
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## Connections
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- [[逻辑备份]] ← 工具 ← [[Zipline]]
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